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Apache Solr (module: core)
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.solr.handler.designer;
import java.io.IOException;
import java.util.List;
import java.util.Locale;
import java.util.UUID;
import org.apache.solr.common.SolrInputDocument;
import org.apache.solr.common.params.SolrParams;
import org.apache.solr.common.util.ContentStream;
import org.apache.solr.schema.SchemaField;
import org.apache.solr.schema.StrField;
import org.apache.solr.util.plugin.NamedListInitializedPlugin;
public interface SampleDocumentsLoader extends NamedListInitializedPlugin {
SampleDocuments parseDocsFromStream(SolrParams params, ContentStream stream, int maxDocsToLoad)
throws IOException;
/**
* Ensure every sample document has a unique ID, but only applies if the unique key field is a
* string.
*/
default boolean ensureUniqueKey(final SchemaField idField, List docs) {
boolean updatedDocs = false;
// if the unique key field is a string, we can supply a UUID if needed, otherwise must come from
// the user.
if (StrField.class.equals(idField.getType().getClass())) {
String idFieldName = idField.getName();
for (SolrInputDocument d : docs) {
if (d.getFieldValue(idFieldName) == null) {
d.setField(idFieldName, UUID.randomUUID().toString().toLowerCase(Locale.ROOT));
updatedDocs = true;
}
}
}
return updatedDocs;
}
}